That is her sister.(变为复数句) - - her -
Is that his sister?变为复数句
That is her brother.(改为复数句)
is that her toy改为复数句
Is that her pencil?改为复数句
Mary is more outgoing than her sister.变为否定句
单数句变为复数句That's his friend.Is this her teacher.She has got a
Is that her toy animal (变为单数句)
lt's her skirt(变为复数句)
This is my sister(变为复数句)
That is her pencil sharpener改复数句
that is her pencil—box(改复数句)
That is her sister 用一般疑问句